2017 QH18

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3680255603 ± 4.12e-07
Semi-major axis (a)1.8413288617 AU ± 6.44e-09
Inclination (i)36.98615281° ± 4.38e-05
Long. of Asc. Node (Ω)164.14440579° ± 1.37e-05
Arg. of Perihelion (ω)102.18164771° ± 7.99e-05
Mean Anomaly (M)148.57890370° ± 4.26e-05
Mean Motion (n)0.3944711402°/day ± 2.07e-09
Perihelion dist (q)1.16367278 AU ± 7.59e-07
Aphelion dist (Q)2.51898495 AU ± 7.59e-07
Orbital Period2.49860176 yr ± 1.31e-08
Physical Parameters
H (abs. magnitude)19.82
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.317″
Uncertainty0
Orbit TypeAmor
MOID0.394889 AU
Observations Used76
Oppositions12
Arc Total2002-2022
First Observation Used2002-09-08
Last Observation Used2022-09-20
Observations (79)
Date Type RA Dec Mag Band Observatory
2002-09-08 11:43:09 C 00 29 46.48 -12 33 34.8 c 608
2002-09-08 11:57:57 C 00 29 45.84 -12 34 11.5 c 608
2002-09-08 12:13:26 C 00 29 45.17 -12 34 49.6 c 608
2002-09-10 08:24:12 C 00 27 53.63 -14 21 49.8 c 644
2002-09-10 08:54:52 C 00 27 52.20 -14 23 04.0 c 644
2002-09-10 09:25:48 C 00 27 50.76 -14 24 17.0 c 644
2017-08-24 12:34:03 C 00 48 26.422 +01 51 15.11 L F51
2017-08-24 12:51:45 C 00 48 26.084 +01 50 30.80 L F51
2017-08-24 13:09:36 C 00 48 25.737 +01 49 46.04 L F51
2017-08-24 13:27:11 C 00 48 25.401 +01 49 02.05 L F51
2017-08-25 00:19:18 C 00 48 15.62 +01 21 39.5 S 033
2017-08-25 00:22:38 C 00 48 15.56 +01 21 31.9 S 033
2017-08-25 00:29:24 C 00 48 15.41 +01 21 14.1 S 033
2017-08-25 02:21:58 C 00 48 13.33 +01 16 31.2 S 033
2017-08-25 02:25:16 C 00 48 13.26 +01 16 22.7 S 033
2017-08-25 02:28:34 C 00 48 13.20 +01 16 14.7 S 033
2017-08-25 02:34:34 C 00 48 13.11 +01 15 59.4 S 033
2017-08-25 07:42:13 C 00 48 08.30 +01 03 07.5 u H21
2017-08-25 07:51:50 C 00 48 08.11 +01 02 43.4 u H21
2017-08-25 08:03:06 C 00 48 07.87 +01 02 14.7 u H21
2017-08-25 09:29:02 C 00 48 07.108 +00 58 42.88 U 568
2017-08-25 09:30:24 C 00 48 07.082 +00 58 39.43 U 568
2017-08-25 09:31:47 C 00 48 07.055 +00 58 35.96 U 568
2017-08-25 23:25:02 C 00 47 52.25 +00 23 28.7 c L01
2017-08-25 23:47:13 C 00 47 51.74 +00 22 31.5 c L01
2017-08-26 01:26:28 C 00 47 49.69 +00 18 20.9 20.2 Q 104
2017-08-26 01:37:28 C 00 47 49.41 +00 17 52.5 20.1 Q 104
2017-08-26 01:48:28 C 00 47 49.23 +00 17 24.8 20.3 Q 104
2017-08-26 08:06:50 C 00 47 42.30 +00 01 27.5 u H21
2017-08-26 08:12:27 C 00 47 42.19 +00 01 13.2 u H21
2017-08-26 08:22:00 C 00 47 41.95 +00 00 49.0 u H21
2017-08-26 23:04:12 C 00 47 25.26 -00 36 32.3 S 033
2017-08-26 23:07:30 C 00 47 25.19 -00 36 41.3 S 033
2017-08-26 23:10:50 C 00 47 25.10 -00 36 49.3 S 033
2017-08-28 00:51:14 C 00 46 52.45 -01 42 13.6 S 033
2017-08-28 00:54:42 C 00 46 52.37 -01 42 21.7 S 033
2017-08-28 00:58:03 C 00 46 52.32 -01 42 30.4 S 033
2017-08-28 07:22:39 C 00 46 44.05 -01 58 48.6 U H01
2017-08-28 07:32:15 C 00 46 43.80 -01 59 13.2 U H01
2017-08-28 07:43:20 C 00 46 43.51 -01 59 41.5 U H01
2017-08-28 07:52:52 C 00 46 43.26 -02 00 05.9 U H01
2017-08-28 10:05:21 C 00 46 39.82 -02 05 43.4 q I52
2017-08-28 10:07:10 C 00 46 39.78 -02 05 48.9 q I52
2017-08-28 10:10:56 C 00 46 39.63 -02 05 59.3 q I52
2017-08-28 10:12:44 C 00 46 39.59 -02 06 03.0 q I52
2017-09-14 07:52:53 C 00 32 01.75 -18 29 24.4 u 807
2017-09-14 07:57:46 C 00 32 01.52 -18 29 34.3 u 807
2017-09-14 08:02:39 C 00 32 01.24 -18 29 44.7 u 807
2017-09-14 11:28:16 C 00 31 52.350 -18 37 15.16 L F51
2017-09-14 11:46:15 C 00 31 51.452 -18 37 53.00 L F51